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NSN 5340-00-325-3908, 5340003253908
SEAT,HELICAL COMPRESSION SPRING

Federal Supply Classification
FSC 5340 - Hardware, Commercial
National Item Identification Number
NIIN 003253908
Codification Country
United States
Item Name Code
INC 24328
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 5340-00-325-3908

National Stock Number (NSN) 5340-00-325-3908, or NIIN 003253908, (seat,helical compression spring) was assigned November 28, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Mar 19, 2019. There have been 3 contracts issued for this part number, with 10 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A619F037J, SPM4A112G0003, SPM4A112G0003, SPM4A112G0003, SPM4A112G0003. The total value of the awarded contracts has been US$ 78,924.01.

This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 22, 2018, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 24328. [A CIRCULAR ITEM, USUALLY HAVING A FLAT OR GROOVED FLANGE, BOSS(ES), AND/OR COUNTERBORE, DESIGNED TO ACCOMMODATE THE END OF THE SPRING. IT IS USED TO POSITION THE SPRING BUT DOES NOT ENCASE THE SPRING OR RESTRAIN LATERAL MOTION. IT MAY BE USED IN CONJUNCTION WITH A RETAINER,HELICAL COMPRESSION SPRING. EXCLUDES:WASHER (AS MODIFIED), SEAT,BALL SOCKET, AND HOLDER,SPRING. SEE ALSO ROTOR,ENGINE POPPET VALVE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5340003253908 does not contain precious metals.

This NSN is associated to Schedule B 9401100000: seats of a kind used for aircraft. The Schedule B End Use is listed as parts-civilian aircraft. NAICS classification category 336360: motor vehicle seating and interior trim manufacturing.

This information was last updated on .


Technical Characteristics

MATERIAL
(MATL) STEEL,MIL-S-16598
SURFACE TREATMENT
(SURF) ANY ACCEPTABLE
MATERIAL
(MATT) STEEL,MIL-S-16598
DISTANCE FROM END TO FIRST STEP
(BZDH) 1.1800 INCHES NOMINAL
END DIAMETER
(BBRB) 0.6100 INCHES NOMINAL
BORE DIAMETER
(ABXV) 0.6800 INCHES NOMINAL
COUNTERBORE LENGTH
(BZDL) 1.7800 INCHES NOMINAL
FIRST STEP DIAMETER
(ABPR) 0.6500 INCHES NOMINAL
FIRST STEP LENGTH
(ABPS) 0.3800 INCHES NOMINAL
OVERALL HEIGHT
(ABKW) 1.9700 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-16598 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL
(MATT) STEEL UNS K93602
SECOND COUNTERBORE DIAMETER
(BZLN) 0.4385 INCHES NOMINAL
SECOND COUNTERBORE LENGTH
(BZDM) 0.4400 INCHES NOMINAL
SECOND END DIAMETER
(AMFZ) 1.2100 INCHES NOMINAL
SECOND STEP DIAMETER
(ABPT) 0.8090 INCHES NOMINAL
SECOND STEP LENGTH
(ABPU) 0.4000 INCHES NOMINAL
THIRD STEP DIAMETER
(ABPV) 1.2100 INCHES NOMINAL
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
UNABLE TO DECODE
(SURF) UNABLE TO DECODE

Manufacturer Part Numbers


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